54210660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{18439}}^1$

素因数の和:18465

約数の個数: 72

約数和(自身を含む): 176581440

約数和(自身を除く): 122370780

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 18439, 36878, 55317, 73756, 92195, 110634, 129073, 184390, 221268, 258146, 276585, 368780, 387219, 516292, 553170, 645365, 774438, 903511, 1106340, 1290730, 1548876, 1807022, 1936095, 2581460, 2710533, 3614044, 3872190, 4517555, 5421066, 7744380, 9035110, 10842132, 13552665, 18070220, 27105330, 54210660]

約数ペア:

[(1, 54210660), (2, 27105330), (3, 18070220), (4, 13552665), (5, 10842132), (6, 9035110), (7, 7744380), (10, 5421066), (12, 4517555), (14, 3872190), (15, 3614044), (20, 2710533), (21, 2581460), (28, 1936095), (30, 1807022), (35, 1548876), (42, 1290730), (49, 1106340), (60, 903511), (70, 774438), (84, 645365), (98, 553170), (105, 516292), (140, 387219), (147, 368780), (196, 276585), (210, 258146), (245, 221268), (294, 184390), (420, 129073), (490, 110634), (588, 92195), (735, 73756), (980, 55317), (1470, 36878), (2940, 18439)]